312925133 has 2 divisors, whose sum is σ = 312925134. Its totient is φ = 312925132.

The previous prime is 312925121. The next prime is 312925183. The reversal of 312925133 is 331529213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312511684 + 413449 = 17678^2 + 643^2 .

It is a cyclic number.

It is not a de Polignac number, because 312925133 - 2²⁰ = 311876557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312925096 and 312925105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312925183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156462566 + 156462567.

It is an arithmetic number, because the mean of its divisors is an integer number (156462567).

Almost surely, 2^312925133 is an apocalyptic number.

It is an amenable number.

312925133 is a deficient number, since it is larger than the sum of its proper divisors (1).

312925133 is an equidigital number, since it uses as much as digits as its factorization.

312925133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 29.

The square root of 312925133 is about 17689.6900198958. The cubic root of 312925133 is about 678.9119949739.

The spelling of 312925133 in words is "three hundred twelve million, nine hundred twenty-five thousand, one hundred thirty-three".